Skip to main content
Ch.15 Aldehydes and Ketones
McMurry - Fundamentals of General, Organic, and Biological Chemistry 8th Edition
McMurry8th EditionFundamentals of General, Organic, and Biological ChemistryISBN: 9780134015187당신이 사용하는 게 아니라요?교과서 변경
모든 교과서McMurry 8th EditionCh.15 Aldehydes and Ketones문제 30a
15장, 문제 30a

Draw structures corresponding to the following aldehyde and ketone names:
a. 3-Methylpentanal

검증된 단계별 안내
1
Identify the parent chain: The name '3-Methylpentanal' indicates that the parent chain is 'pentanal,' which is a five-carbon aldehyde. The '-al' suffix specifies the presence of an aldehyde functional group (-CHO) at the terminal carbon.
Number the carbon chain: Start numbering the carbon atoms from the end closest to the aldehyde group. This ensures the aldehyde group is at carbon-1.
Locate the substituent: The '3-Methyl' prefix indicates that there is a methyl group (-CH₃) attached to carbon-3 of the parent chain.
Draw the structure: Begin by drawing a straight chain of five carbon atoms. Attach the aldehyde group (-CHO) to carbon-1 and the methyl group (-CH₃) to carbon-3.
Double-check the structure: Verify that the aldehyde group is at carbon-1, the methyl group is at carbon-3, and the total number of carbons in the chain matches the name (5 carbons in the parent chain plus the methyl substituent).

비슷한 문제에 대한 검증된 영상 답변:

이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
도움이 되었나요?

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Aldehydes

Aldehydes are organic compounds characterized by the presence of a carbonyl group (C=O) at the end of a carbon chain. The general formula for aldehydes is RCHO, where R represents a hydrocarbon group. In the case of 3-Methylpentanal, the 'pentanal' indicates a five-carbon chain with the aldehyde functional group at one end, while '3-methyl' specifies a methyl group attached to the third carbon of the chain.
추천 영상:
가이드 코스
0:34
Naming Aldehydes Example 2

Structural Representation

Structural representation in organic chemistry involves depicting the arrangement of atoms within a molecule. This can be done using various methods, such as Lewis structures, condensed formulas, or skeletal formulas. For 3-Methylpentanal, drawing the structure requires accurately placing the carbon chain and functional groups to reflect the molecular formula and connectivity of the atoms.
추천 영상:
가이드 코스
2:08
Molecular Representations Concept 1

IUPAC Nomenclature

IUPAC nomenclature is a systematic method for naming organic chemical compounds based on their structure. It provides rules for identifying the longest carbon chain, functional groups, and substituents. Understanding IUPAC nomenclature is essential for interpreting names like 3-Methylpentanal, as it guides the construction of the corresponding molecular structure by indicating the position and type of substituents on the main carbon chain.
추천 영상:
가이드 코스
3:18
IUPAC Naming Concept 3
관련 실천
교과서 질문

Draw structures corresponding to the following aldehyde and ketone names:

e. 1,1,1-Trichloro-3-pentanone

707
views
교과서 질문

Redraw each of the following in line structure format. Indicate which compounds have an aldehyde carbonyl group, a ketone carbonyl group, or neither. 

c.

842
views
교과서 질문

Indicate which compounds contain aldehyde or ketone carbonyl groups.

f.

754
views
교과서 질문

Give systematic names for the following aldehydes and ketones:

a.

821
views
교과서 질문

Draw structures corresponding to the following aldehyde and ketone names:

b. 4-Ethyl-2-isopropylhexanal

779
views
교과서 질문

Redraw each of the following in line structure format. Indicate which compounds have an aldehyde carbonyl group, a ketone carbonyl group, or neither. 

e. CH3CH2COCH2CH3

961
views